stm32f1: rtc: drop redundant ld script

Now that this is known targetting h103 board, drop the duped ld script.

examples/stm32/f1/stm32-h103/rtc/Makefile

@@ -18,6 +18,7 @@
 ##
 
 BINARY = rtc
+LDSCRIPT = ../stm32-h103.ld
 
 include ../../Makefile.include
 

examples/stm32/f1/stm32-h103/rtc/rtc.ld

@@ -1,31 +0,0 @@
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
-
-/* Define memory regions. */
-MEMORY
-{
-	rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
-	ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
-}
-
-/* Include the common ld script. */
-INCLUDE libopencm3_stm32f1.ld
-